From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261456AbVCFSLy (ORCPT ); Sun, 6 Mar 2005 13:11:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261457AbVCFSLx (ORCPT ); Sun, 6 Mar 2005 13:11:53 -0500 Received: from rproxy.gmail.com ([64.233.170.196]:2327 "EHLO rproxy.gmail.com") by vger.kernel.org with ESMTP id S261456AbVCFSLt (ORCPT ); Sun, 6 Mar 2005 13:11:49 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding; b=pQ+RXQJBTTuJCXN1UZlgH+Ln7ElKkbsrpsbFpoP/XYNEL6OQq1guLKLVuXFU70OlDOsPwrtSoJQKfv9Q5wHwSoW4lalOxVvax3dw03U+wzocz5aEXD36Nt3US6BrEgloGQUtdGYoo5dSqtsolN8FhTgpmjErW4yAorK/o7+ZgGc= Message-ID: <9e47339105030610113d00f9f7@mail.gmail.com> Date: Sun, 6 Mar 2005 13:11:48 -0500 From: Jon Smirl Reply-To: Jon Smirl To: lkml Subject: PCI Express and legacy ISA/VGA support Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Can a PCI Express expert enlighten me on how VGA support happens on PCI Express? 1) Does VGA work on PCI Express? 2) Is it routed at bridges like x86 PCI? 3) Or does each bridge have it's own legacy space like PCI on 64b machines? 4) How are other things like serial ports handled? 5) What about the VGA memory window at A000:0? -- Jon Smirl jonsmirl@gmail.com